From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 6 Jul 2007 18:28:06 +0900 From: KAMEZAWA Hiroyuki Subject: [PATCH] memory unplug v7 [6/6] - ia64 interface Message-Id: <20070706182806.11b251b0.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20070706181903.428c3713.kamezawa.hiroyu@jp.fujitsu.com> References: <20070706181903.428c3713.kamezawa.hiroyu@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: KAMEZAWA Hiroyuki Cc: LKML , "linux-mm@kvack.org" , Andrew Morton , Christoph Lameter , mel@csn.ul.ie List-ID: IA64 memory unplug interface. Signed-off-by: KAMEZAWA Hiroyuki --- arch/ia64/mm/init.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) Index: linux-2.6.22-rc6-mm1/arch/ia64/mm/init.c =================================================================== --- linux-2.6.22-rc6-mm1.orig/arch/ia64/mm/init.c +++ linux-2.6.22-rc6-mm1/arch/ia64/mm/init.c @@ -724,7 +724,17 @@ int arch_add_memory(int nid, u64 start, int remove_memory(u64 start, u64 size) { - return -EINVAL; + unsigned long start_pfn, end_pfn; + unsigned long timeout = 120 * HZ; + int ret; + start_pfn = start >> PAGE_SHIFT; + end_pfn = start_pfn + (size >> PAGE_SHIFT); + ret = offline_pages(start_pfn, end_pfn, timeout); + if (ret) + goto out; + /* we can free mem_map at this point */ +out: + return ret; } EXPORT_SYMBOL_GPL(remove_memory); #endif -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org